Bulletproof glass Safety glass The president of glass

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Bulletproof glass is composed of glass (or organic glass) a composite material and quality engineering plastic with a special processed, it is usually transparent materials, such as PVB/ polycarbonate thermoplastic plastics (general force explicit resin namely Lexan resin is also called LEXAN PC RESIN). The appearance and the transmitted light it with ordinary glassbehavior, for small arms fire to provide some protection. The PC thick plate can be 136 mm thick,maximum width up to 2166 mm wide, the effective time of 6664 days.Different manufacturers vary the bulletproof glass. But basically are in ordinary glass layerclamped polycarbonate material layer, a process called lamination. In this process, the formation of a similar to ordinary glass than ordinary glass thicker material. Polycarbonate is a hard transparent plastic -- people usually use it (Lexan brand, Tuffak or Cyrolon) to call it. Bullet proof glass with thickness of 7 mm to 75 mm. Shot in the bulletproof glass of bullets will penetrate the glass outer layer, but the polycarbonate glass material layer can absorb the bullet energy,thereby preventing it penetrates the glass. These chunks of bulletproof glass has been made useof in public during the second world war is usually thicker than 10 cm to 12 cm, and extremeweight.For example, some banks use bullet proof car to promote one-way bulletproof glass of the invention. Outside the small arms fire glass this glass will follow close on succession ofresistance, but will be allowed in the glass on the side (Li Ce) shooting, such as the defenderfrom the bullet proof car side in the shooting, which through the glass in the external threat onfire.

In bomb attacks and accidental explosion, direct harm anti bomb glass can minimize the explosive shock wave super high load and high speed flying glass fragmentation caused byreducing costs, repair facilities around attack facilities or the center of the explosion. Anti bombglass in the load increasing energy of explosion shock wave formation, increased severalfold even a few times to maintain conditions do not penetrate the glass, keep the value RET = 1.While the monolithic glass (including float glass, tempered glass, hollow glass) once broken, as long as slightly exceeds the critical breakdown pressure RET soon fell to below 0.3, glass fragments scattered, the emergence of penetrating damage. [1]

The explosion-proof function

In the global scope, bomb attacks (including car bombs, suicide bombers) and threats continue to rise, Marriott Indonesia is a typical event, with the increase of the bombs, the people's life safety and property have been very serious threat. According to security experts and relevant data shows, glass fragments scattered and the spatter is the main reason people get hurt. In the bomb terrorist bombings, 75% damage and glass related, this means that if the use of anti bombglass can reduce the injury degree of 75%. If the explosion happened, all the buildings in theglass can be completely retained in the frame, then the shock wave energy will not enter indoor,indoor items will not damage; damage of high speed fragments can not enter the buildings ordropped to the ground.

Frame system

The explosion of the rapid expansion of the shock and vibration is mainly caused by the damage of glass. Generated source fragments in weapon itself and the surrounding environment (such as shaking off buildings caused by debris), destructive effect to withstand bomb attacks, the firstglass must withstand the blast and fragmentation in the two aspects of the attack. Calculation of anti bomb glass and software through professional calculation of anti bomb glass frame system,can according to the glass retention, explosion shock pressure and shock wave pulse(kPa/msec), duration (MS msec), the extent of damage conditions were tested to calculate the bomb exploded when certain equivalent of the glass and the system can remain intact (glassunruptured) and rupture (cracks, there can be part of the debris fall off, has penetrated the).Anti should meet ASTM F1642-96 standard test requirements bomb glass.

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Q:does reflection by the glass used in construction of building increase in atmospheric temperature?
A chalcogenide glass bolometer for detection of electromagnetic radiation wavelengths varying from infrared to microwave. The radiation absorbed by the glass increases its electrical conductivity, enabling measurement of the radiation. A method of fabricating the bolometer is also disclosed
Q:Building glass specification is that set?
(JGJ 113-2009), "Construction Safety Glass Management Regulations" (Development and Reform Commission [2003] No. 2116), "Specification for Design, Construction and Acceptance of Aluminum Alloy Doors and Windows", "Regulations for the Application of Building Glass" (JGJ 113-2009) (DBJ15-30-2002).
Q:I saw some of them in the high-rise buildings on the glass window posted a fil
Building glass insulation film. good results! you get what you pay for!
Q:The basic characteristics of self cleaning glass
The main component is inorganic nano-silicon material, on behalf of the product for the Japanese good Ruijia self-cleaning paint, which is characterized by super-hydrophilic coating surface and good dust, do not rely on sunlight, in the same no light environment, the role of titanium dioxide Type of product upgrade. Japanese chemists invented a self-cleaning and non-foggy glass. The surface of this glass has a "double wet", can be stained with water and oil at the same time two kinds of liquid, so when the water vapor on the glass when it will spread on the entire glass surface, and will not condense water The In addition, the water in this mutual understanding can penetrate into the oily dirt, the oil washed away, which can have a strong self-purification capacity. Some people have done this experiment, in the water spray to the glass, the ordinary glass has been filled with fog beads and this glass is still through the text and pictures for people to read. Ordinary glass surface easy to produce static electricity, will absorb the air in the dust, car exhaust, over time, very easy to dirty, in addition, when the rain, through the glass and water contact angle of 30-40 degrees, so the glass surface Easy to form water droplets, and water droplets are not easy to fall, in the water droplets drying process, and very easy to suck the dust in the air, dry water marks after the formation of long days, the formation of dirt. Self-cleaning glass, also known as self-cleaning glass, is an eco-friendly "green glass", in the flat glass surface coated with a layer of transparent titanium dioxide, photocatalyst film, can be made of self-cleaning glass. When the titanium dioxide photocatalyst film called photocatalyst encounters sunlight or fluorescent light, when the ultraviolet light is irradiated, the organic matter adhering to the surface under the excitation of the external light causes the pollutant to become carbon dioxide and water and is automatically eliminated.
Q:Online LOW-E glass ok?
Personally think that online Low-e is better than offline, because the stability is good and easy to use monolithic, and can be thicker, such as 8mm, 10mm, 12mm have.
Q:What is the material of the protective film in the middle of the glass
Tempered glass film with the raw materials are generally Japan's Asahi pin and domestic Los glass, The production process is: 1: open material, the whole glass is cut into larger than the size of 0.6mm small pieces. 2: CNC carved, will open a good piece of gold with steel sand grinding head down, drilling (or slot), CNC carved after the glass was formed 3, flat grinding, mainly dealing with open materials and CNC caused by surface scratches. 4: cleaning, with ultrasonic cleaning machine will be washed, while the glass drying. 5: steel, with potassium acid to strengthen the glass, so that the glass stress, strength, resistance to meet certain requirements. 6: cleaning: the tempered glass into the ultrasonic cleaning. 7: posted AB glue 8: Packaging finished product
Q:Building An Aviary - Tinted Glass?
What we did with our aviary (home grown built as well) was put a layer of screened mesh (like you use for patio screens) over the acrylic windows. It helps to dim the glare and prevents the birds from running into them. It's cheap and you can buy it in rolls. Just staple it to the wood around the frame of your windows.
Q:Double 15 steel laminated glass how much money side
How much area do you have? Architectural glass
Q:the glass installed in a 100-years building was found to be thicker at the base.Y??
As a previous answerer said, glass is not a liquid, but is actually an amorphous solid. Over very long periods of time, glass will actually flow, which will explain why 100-year-old glass is thicker on the bottom than it is on top. The flow is a property of amorphous solids.
Q:Is it really effective to use an insulating film for glass windows? Which brand is better?
Can really heat, and the insulation is still a lot, but will affect the lighting, with the car almost, posted inside can not see inside, brand Long film better point, cost-effective

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